4-Pyridinethiol

Basic Information

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CAS Number

4556-23-4

Molecular Formula

C5H5NS

Molecular Weight

111.17 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

178-189°C

Boiling Point

176.5 °C at 760 mmHg

Flash Point

60.5 °C

Refractive Index

1.5605 (estimate)

SMILES

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C1=CNC=CC1=S

InChI

InChI=1S/C5H5NS/c7-5-1-3-6-4-2-5/h1-4H,(H,6,7)

InChIKey

FHTDDANQIMVWKZ-UHFFFAOYSA-N

LogP

1.3702999999999999

Topological Polar Surface Area

12.89 Å²

Hydrogen Bond Donor/Acceptor

0 / 1

Complexity

121

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Sensitiveness

sensitive to heat and air

Synonyms & References

English

NSC 76036
CS-W013664
4mercaptopyridine
4-Pyridyl Mercaptan
19829-29-9
A1-01079
FHTDDANQIMVWKZ-UHFFFAOYSA-N
BRN 0105392
AC-24180
1H-pyridine-4-thione
A826843
BP-10932
FG-0489
FT-0646236
4-Pyridinethione
4-mercapto-pyridine
CHEMBL1688955
EN300-100322
DTXSID70878773
Pyridine, 4-mercapto-
4-PYRIDINETHIOL
Pyridine-4-thiol
4-Mercaptopyridine
EINECS 224-926-1
4-mercapto pyridine
4-Thiopyridine
SCHEMBL73739
M0630
7227-57-8
NSC76036
ZH8DP7EE6V

MDL Number

MFCD00006422

Customs Code

2933399090

FAQ

What regulatory guidelines apply to 4-Pyridinethiol (CAS: 4556-23-4)?

4-Pyridinethiol (CAS: 4556-23-4) is subject to regulatory guidelines such as GHS for classification and labeling, REACH for registration, evaluation, authorization, and restriction of chemicals in the EU, and FDA/EPA requirements for safety and environmental impact. Specific handling, storage, and disposal requirements must be followed to ensure compliance.

Are there alternatives to 4-Pyridinethiol (CAS: 4556-23-4) in synthesis?

There are alternative reagents to 4-Pyridinethiol (CAS: 4556-23-4) in synthesis, such as thiols of other aromatic rings like phenyl thiols, which can serve similar roles in various reactions. These alternatives may vary in reactivity and availability depending on the specific application.

What is the market or research trend for 4-Pyridinethiol (CAS: 4556-23-4)?

The market for 4-Pyridinethiol (CAS: 4556-23-4) is driven by its use in organic synthesis and functional materials research. Recent trends show increasing interest in developing new applications for this compound, including its role in catalysis and as a precursor in materials science. Emerging research is focusing on its potential in drug discovery and biosensor development.

How should waste containing 4-Pyridinethiol (CAS: 4556-23-4) be handled?

Waste containing 4-Pyridinethiol (CAS: 4556-23-4) should be collected in appropriate containers and treated for neutralization or detoxification if necessary. Professional waste disposal services should be utilized, and environmental protection measures should be taken to prevent contamination. Incineration is a common method, but the specific disposal method depends on local regulations and the total volume of waste.